1021103012 has 12 divisors (see below), whose sum is σ = 1824950400. Its totient is φ = 499688616.

The previous prime is 1021103003. The next prime is 1021103047. The reversal of 1021103012 is 2103011201.

It is a super-3 number, since 3×1021103012³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1021102984 and 1021103002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715512 + ... + 2715887.

It is an arithmetic number, because the mean of its divisors is an integer number (152079200).

Almost surely, 2^1021103012 is an apocalyptic number.

It is an amenable number.

1021103012 is a deficient number, since it is larger than the sum of its proper divisors (803847388).

1021103012 is a wasteful number, since it uses less digits than its factorization.

1021103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431450 (or 5431448 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1021103012 is about 31954.7025021357. The cubic root of 1021103012 is about 1006.9854275150.

Adding to 1021103012 its reverse (2103011201), we get a palindrome (3124114213).

The spelling of 1021103012 in words is "one billion, twenty-one million, one hundred three thousand, twelve".